Firearm magazine



FIG. 1 is a perspective view of a firearm magazine _showing my new design;

FIG. 2 is a top plan view of said firearm magazine;

FIG. 3 is a bottom plan view of said firearm magazine;

FIG. 4 is an elevational view of the left side of said firearm magazine;

FIG. 5 is an elevational view of the right side of said magazine;

FIG. 6 is a front elevational view of said firearm magazine; and

FIG. 7 is a rear elevational view of said firearm magazine. 

The ornamental design for a firearm magazine, substantially as shown and described. 